{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950582,-0.310474,0.000000,0.000000,0.173594,-0.531494,0.829083,0.000000,-0.256866,0.786450,0.561707,0.000000,-1640062.607895,5021394.677468,3562427.754229,1],    "boundingVolume": {    "region": [1.886439,0.596399,1.886537,0.596498,0.000000,11.071252]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389156.b3dm"}}}